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2685808852 = 2217391110099
BaseRepresentation
bin1010000000010110…
…0011000011010100
320221011211020002221
42200011203003110
521000031340402
61122302112124
7123361666336
oct24005430324
96834736087
102685808852
111159083a41
1262b57b644
1333a58830c
141b69bb456
1510abd0337
hexa01630d4

2685808852 has 24 divisors (see below), whose sum is σ = 4978411200. Its totient is φ = 1263461760.

The previous prime is 2685808823. The next prime is 2685808861. The reversal of 2685808852 is 2588085862.

It is a self number, because there is not a number n which added to its sum of digits gives 2685808852.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 260899 + ... + 270997.

It is an arithmetic number, because the mean of its divisors is an integer number (207433800).

Almost surely, 22685808852 is an apocalyptic number.

It is an amenable number.

2685808852 is a deficient number, since it is larger than the sum of its proper divisors (2292602348).

2685808852 is a wasteful number, since it uses less digits than its factorization.

2685808852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14031 (or 14029 counting only the distinct ones).

The product of its (nonzero) digits is 2457600, while the sum is 52.

The square root of 2685808852 is about 51824.7899368632. The cubic root of 2685808852 is about 1390.0327532265.

The spelling of 2685808852 in words is "two billion, six hundred eighty-five million, eight hundred eight thousand, eight hundred fifty-two".

Divisors: 1 2 4 17 34 68 3911 7822 10099 15644 20198 40396 66487 132974 171683 265948 343366 686732 39497189 78994378 157988756 671452213 1342904426 2685808852